BESS Werksgelände
BESS Werksgelände battery storage overview.
BESS Werksgelände is an operating lithium-ion battery storage installation at Stadtwerke Heidenheim's premises in Heidenheim an der Brenz. Commissioned in July 2026, it was initially deployed for day-ahead and intraday electricity trading.In OperationGermany
At a Glance
Technical capacity
5.1 MWEnergy storage
8.9 MWhStorage duration
2 hoursStorage type
UnknownOwner
Hellenstein SolarWind GmbHOperator
Data coming soonCountry
GermanyLocation
48.682°, 10.161°Website
Official project pageOwnership
1 record| Share | Organisation | Role | Details | Period |
|---|---|---|---|---|
| Unknown | Operator | Hellenstein SolarWind GmbH is the registered operator of BESS Werksgelände. | Current / not dated |
Organisations
4 recordsOrganisations recorded as working on this asset or its project, and their role.
| Organisation | Role | Details |
|---|---|---|
Hellenstein SolarWind GmbH | Operator | Not set |
| Registered battery operatorOperations Maintenance | Hellenstein SolarWind is the registered operator of the battery at the Stadtwerke Heidenheim premises. | |
| Distribution network operatorGrid Connection | Hellenstein-Energie-Logistik is the distribution network operator recorded for the installation. | |
| Utility battery developerDevelopment | Stadtwerke Heidenheim installed the battery at its premises and announced successful commissioning in July 2026. Its August 2026 announcement describes initial day-ahead and intraday trading and ongoing prequalification for future balancing services. |
Supplier registration
Contact page onlyHow suppliers get onto this project's radar: its standing register, supplier portal or contact route.
Suppliers can make enquiries through the utility group's general corporate contact form. This contact route covers the group's wider activities.
Stadtwerke Heidenheim's general corporate contact form serves the utility group; it is not a project-specific supplier register.
SourceChecked 28 Oct 2026
Capacity history
Recorded project capacity figures. Future-dated changes are shown but are not used as current capacity.
| Effective | Capacity type | Capacity | Source |
|---|---|---|---|
| Current | Technical capacity | 5.1 MW | Bundesnetzagentur — assigned inverter capacity, SEE974266768434 |